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Jeong, Hoon Eui
Multiscale Biomimetics & Manufacturing Lab
Research Interests
  • Biomimetics
  • Multiscale manufacturing
  • Micro/nanofabrication

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Replication of surfaces of natural leaves for enhanced micro-scale tribological property

Cited 43 times inthomson ciCited 51 times inthomson ci
Title
Replication of surfaces of natural leaves for enhanced micro-scale tribological property
Other Titles
Replication of surfaces of natural leaves for enhanced micro-scale tribological property
Author
Singh, R. ArvindYoon, Eui-SungKim, Hong JoonKim, JinseokJeong, Hoon EuiSuh, Kahp Y.
Keywords
lithography; biomimetic; polymer; micro; friction; tribology
Issue Date
2007-05
Publisher
Elsevier BV
Citation
Materials Science and Engineering C, v.27, no.4, pp.875 - 879
Abstract
In this paper, we report on the replication of surfaces of Lotus and Colocasia leaves onto thin polymeric films using a capillarity-directed soft lithographic technique. The replication was carried out on poly(methyl methacrylate) (PMMA) film spin coated on silicon wafer using poly (dimethyl siloxane) (PDMS) molds. The function properties of the replicated surfaces were investigated at micro-scale in comparison with those of PMMA thin film and uncoated silicon wafer. The coefficients of friction of the replicated surfaces were almost five times lower than those of the PMMA thin film and four times lower than those of the uncoated silicon wafer. The superior micro-tribological properties of the replicated surfaces could be attributed to the reduced real area of contact projected by the surfaces. (C) 2006 Elsevier B.V. All rights reserved
URI
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DOI
10.1016/j.msec.2006.10.007
ISSN
1873-0191
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